<?php
/**
 * Zend Framework
 *
 * LICENSE
 *
 * This source file is subject to the new BSD license that is bundled
 * with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://framework.zend.com/license/new-bsd
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@zend.com so we can send you a copy immediately.
 *
 * @category   Zend
 * @package    Zend_Filter
 * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 * @version    $Id: CompressAbstract.php 23775 2011-03-01 17:25:24Z ralph $
 */

/**
 * @see Zend_Filter_Compress_CompressInterface
 */
require_once 'Zend/Filter/Compress/CompressInterface.php';

/**
 * Abstract compression adapter
 *
 * @category   Zend
 * @package    Zend_Filter
 * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */
abstract class Zend_Filter_Compress_CompressAbstract implements Zend_Filter_Compress_CompressInterface {
	/**
	 * Class constructor
	 *
	 * @param array|Zend_Config $options (Optional) Options to set
	 */
	public function __construct($options = null) {
		if ($options instanceof Zend_Config) {
			$options = $options->toArray ();
		}
		
		if (is_array ( $options )) {
			$this->setOptions ( $options );
		}
	}
	
	/**
	 * Returns one or all set options
	 *
	 * @param string $option (Optional) Option to return
	 * @return mixed
	 */
	public function getOptions($option = null) {
		if ($option === null) {
			return $this->_options;
		}
		
		if (! array_key_exists ( $option, $this->_options )) {
			return null;
		}
		
		return $this->_options [$option];
	}
	
	/**
	 * Sets all or one option
	 *
	 * @param  array $options
	 * @return Zend_Filter_Compress_Bz2
	 */
	public function setOptions(array $options) {
		foreach ( $options as $key => $option ) {
			$method = 'set' . $key;
			if (method_exists ( $this, $method )) {
				$this->$method ( $option );
			}
		}
		
		return $this;
	}
}
